MAP20071502431 Agnvall, Elizabeth Ruffling Tyson's feathers / by Elizabeth Agnavall The U.S. government charges that Tyson Foods exploited illegal immigrants and put them in unsafe conditions, while the food giant says the opposite is true En: Safety & health. - Itasca. - vol. 165 nº 3, March 2002 ; p. 32-34 1. Tyson Foods . 2. Seguridad e higiene en el trabajo . 3. Emigración e inmigración . 4. Trabajadores migrantes . 5. Desigualdades sociales . 6. Estados Unidos . I. Título. II. Título: Safety & health.